#
# Provides PNaCl support for Nit.
module pnacl is platform
-`{
- #include <unistd.h>
- #include <stddef.h>
- #include <stdio.h>
- #include <string.h>
- #include <stdlib.h>
- #include <pthread.h>
+
+import standard
+intrude import standard::stream
+
+in "C Header" `{
#include "ppapi/c/pp_errors.h"
#include "ppapi/c/ppp.h"
#include "ppapi/c/ppp_instance.h"
#include "ppapi/c/ppp_messaging.h"
#include "ppapi/c/ppb_var_dictionary.h"
#include "ppapi/c/ppb_var_array.h"
+`}
+
+`{
+ #include <unistd.h>
+ #include <stddef.h>
+ #include <stdio.h>
+ #include <string.h>
+ #include <stdlib.h>
+ #include <pthread.h>
#define MAX_DICTIONARY_QUEUE_SIZE 200
#define MAX_MESSAGE_QUEUE_SIZE 10
# Checks if there is a dictionary in the queue, and if so the dictionary is handled automatically.
fun check_dictionary `{
- while(1) {
- NitHandleDictionary();
- }
+ NitHandleDictionary();
`}
+
+ # Infinite loop on check_dictionary
+ fun run
+ do
+ loop
+ check_dictionary
+ end
+ end
+end
+
+# Creates a new thread for Nit.
+#
+# This function launches the Nit main on a new thread.
+# Its purpose is to allow Nit to be still operational after an exit when needed,
+# because reloading the page may not be an option.
+#
+# Should only be used within the 'exit' before stopping the current thread
+# when the Nit execution causes a crash.
+#
+# REQUIRE: g_nit_thread and WrapperNitMain are set.
+fun create_thread `{
+ pthread_create(&g_nit_thread, NULL, &WrapperNitMain, NULL);
+`}
+
+# Calls 'pthread_exit on current thread.
+fun exit_thread(exit_value: Int) `{
+ pthread_exit((void*) exit_value);
+`}
+
+# Redef of exit in order to avoid the module to crash by terminating only the Nit thread.
+redef fun exit(exit_value: Int)
+do
+ var dictionary = new PepperDictionary
+ dictionary["exit"] = exit_value
+ app.post_dictionary dictionary
+ exit_thread exit_value
end
+
fun app: PnaclApp do return once new PnaclApp